diff options
author | Al Viro <viro@zeniv.linux.org.uk> | 2013-05-22 17:07:56 -0400 |
---|---|---|
committer | Al Viro <viro@zeniv.linux.org.uk> | 2013-06-29 12:57:00 +0400 |
commit | b8227554c951eb144e975c5e741d33f29c29596f (patch) | |
tree | d980fa8d88fd7bf4a1b7a5ac02d29dbc95fc7200 /fs/xfs | |
parent | 9cdda8d31ffb87ba688f91104be200e2a96a38cd (diff) | |
download | linux-b8227554c951eb144e975c5e741d33f29c29596f.tar.bz2 |
[readdir] convert xfs
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/xfs')
-rw-r--r-- | fs/xfs/xfs_dir2.c | 13 | ||||
-rw-r--r-- | fs/xfs/xfs_dir2_block.c | 17 | ||||
-rw-r--r-- | fs/xfs/xfs_dir2_leaf.c | 18 | ||||
-rw-r--r-- | fs/xfs/xfs_dir2_priv.h | 11 | ||||
-rw-r--r-- | fs/xfs/xfs_dir2_sf.c | 31 | ||||
-rw-r--r-- | fs/xfs/xfs_file.c | 12 | ||||
-rw-r--r-- | fs/xfs/xfs_vnodeops.h | 3 |
7 files changed, 44 insertions, 61 deletions
diff --git a/fs/xfs/xfs_dir2.c b/fs/xfs/xfs_dir2.c index b26a50f9921d..8f023dee404d 100644 --- a/fs/xfs/xfs_dir2.c +++ b/fs/xfs/xfs_dir2.c @@ -368,10 +368,8 @@ xfs_dir_removename( int xfs_readdir( xfs_inode_t *dp, - void *dirent, - size_t bufsize, - xfs_off_t *offset, - filldir_t filldir) + struct dir_context *ctx, + size_t bufsize) { int rval; /* return value */ int v; /* type-checking value */ @@ -385,14 +383,13 @@ xfs_readdir( XFS_STATS_INC(xs_dir_getdents); if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL) - rval = xfs_dir2_sf_getdents(dp, dirent, offset, filldir); + rval = xfs_dir2_sf_getdents(dp, ctx); else if ((rval = xfs_dir2_isblock(NULL, dp, &v))) ; else if (v) - rval = xfs_dir2_block_getdents(dp, dirent, offset, filldir); + rval = xfs_dir2_block_getdents(dp, ctx); else - rval = xfs_dir2_leaf_getdents(dp, dirent, bufsize, offset, - filldir); + rval = xfs_dir2_leaf_getdents(dp, ctx, bufsize); return rval; } diff --git a/fs/xfs/xfs_dir2_block.c b/fs/xfs/xfs_dir2_block.c index e59f5fc816fe..09aea0247d96 100644 --- a/fs/xfs/xfs_dir2_block.c +++ b/fs/xfs/xfs_dir2_block.c @@ -569,9 +569,7 @@ xfs_dir2_block_addname( int /* error */ xfs_dir2_block_getdents( xfs_inode_t *dp, /* incore inode */ - void *dirent, - xfs_off_t *offset, - filldir_t filldir) + struct dir_context *ctx) { xfs_dir2_data_hdr_t *hdr; /* block header */ struct xfs_buf *bp; /* buffer for block */ @@ -589,7 +587,7 @@ xfs_dir2_block_getdents( /* * If the block number in the offset is out of range, we're done. */ - if (xfs_dir2_dataptr_to_db(mp, *offset) > mp->m_dirdatablk) + if (xfs_dir2_dataptr_to_db(mp, ctx->pos) > mp->m_dirdatablk) return 0; error = xfs_dir3_block_read(NULL, dp, &bp); @@ -600,7 +598,7 @@ xfs_dir2_block_getdents( * Extract the byte offset we start at from the seek pointer. * We'll skip entries before this. */ - wantoff = xfs_dir2_dataptr_to_off(mp, *offset); + wantoff = xfs_dir2_dataptr_to_off(mp, ctx->pos); hdr = bp->b_addr; xfs_dir3_data_check(dp, bp); /* @@ -639,13 +637,12 @@ xfs_dir2_block_getdents( cook = xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk, (char *)dep - (char *)hdr); + ctx->pos = cook & 0x7fffffff; /* * If it didn't fit, set the final offset to here & return. */ - if (filldir(dirent, (char *)dep->name, dep->namelen, - cook & 0x7fffffff, be64_to_cpu(dep->inumber), - DT_UNKNOWN)) { - *offset = cook & 0x7fffffff; + if (!dir_emit(ctx, (char *)dep->name, dep->namelen, + be64_to_cpu(dep->inumber), DT_UNKNOWN)) { xfs_trans_brelse(NULL, bp); return 0; } @@ -655,7 +652,7 @@ xfs_dir2_block_getdents( * Reached the end of the block. * Set the offset to a non-existent block 1 and return. */ - *offset = xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk + 1, 0) & + ctx->pos = xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk + 1, 0) & 0x7fffffff; xfs_trans_brelse(NULL, bp); return 0; diff --git a/fs/xfs/xfs_dir2_leaf.c b/fs/xfs/xfs_dir2_leaf.c index da71a1819d78..e0cc1243a8aa 100644 --- a/fs/xfs/xfs_dir2_leaf.c +++ b/fs/xfs/xfs_dir2_leaf.c @@ -1300,10 +1300,8 @@ out: int /* error */ xfs_dir2_leaf_getdents( xfs_inode_t *dp, /* incore directory inode */ - void *dirent, - size_t bufsize, - xfs_off_t *offset, - filldir_t filldir) + struct dir_context *ctx, + size_t bufsize) { struct xfs_buf *bp = NULL; /* data block buffer */ xfs_dir2_data_hdr_t *hdr; /* data block header */ @@ -1322,7 +1320,7 @@ xfs_dir2_leaf_getdents( * If the offset is at or past the largest allowed value, * give up right away. */ - if (*offset >= XFS_DIR2_MAX_DATAPTR) + if (ctx->pos >= XFS_DIR2_MAX_DATAPTR) return 0; mp = dp->i_mount; @@ -1343,7 +1341,7 @@ xfs_dir2_leaf_getdents( * Inside the loop we keep the main offset value as a byte offset * in the directory file. */ - curoff = xfs_dir2_dataptr_to_byte(mp, *offset); + curoff = xfs_dir2_dataptr_to_byte(mp, ctx->pos); /* * Force this conversion through db so we truncate the offset @@ -1444,8 +1442,8 @@ xfs_dir2_leaf_getdents( dep = (xfs_dir2_data_entry_t *)ptr; length = xfs_dir2_data_entsize(dep->namelen); - if (filldir(dirent, (char *)dep->name, dep->namelen, - xfs_dir2_byte_to_dataptr(mp, curoff) & 0x7fffffff, + ctx->pos = xfs_dir2_byte_to_dataptr(mp, curoff) & 0x7fffffff; + if (!dir_emit(ctx, (char *)dep->name, dep->namelen, be64_to_cpu(dep->inumber), DT_UNKNOWN)) break; @@ -1462,9 +1460,9 @@ xfs_dir2_leaf_getdents( * All done. Set output offset value to current offset. */ if (curoff > xfs_dir2_dataptr_to_byte(mp, XFS_DIR2_MAX_DATAPTR)) - *offset = XFS_DIR2_MAX_DATAPTR & 0x7fffffff; + ctx->pos = XFS_DIR2_MAX_DATAPTR & 0x7fffffff; else - *offset = xfs_dir2_byte_to_dataptr(mp, curoff) & 0x7fffffff; + ctx->pos = xfs_dir2_byte_to_dataptr(mp, curoff) & 0x7fffffff; kmem_free(map_info); if (bp) xfs_trans_brelse(NULL, bp); diff --git a/fs/xfs/xfs_dir2_priv.h b/fs/xfs/xfs_dir2_priv.h index 7cf573c88aad..0511cda4a712 100644 --- a/fs/xfs/xfs_dir2_priv.h +++ b/fs/xfs/xfs_dir2_priv.h @@ -33,8 +33,8 @@ extern int xfs_dir_cilookup_result(struct xfs_da_args *args, extern const struct xfs_buf_ops xfs_dir3_block_buf_ops; extern int xfs_dir2_block_addname(struct xfs_da_args *args); -extern int xfs_dir2_block_getdents(struct xfs_inode *dp, void *dirent, - xfs_off_t *offset, filldir_t filldir); +extern int xfs_dir2_block_getdents(struct xfs_inode *dp, + struct dir_context *ctx); extern int xfs_dir2_block_lookup(struct xfs_da_args *args); extern int xfs_dir2_block_removename(struct xfs_da_args *args); extern int xfs_dir2_block_replace(struct xfs_da_args *args); @@ -91,8 +91,8 @@ extern void xfs_dir3_leaf_compact(struct xfs_da_args *args, extern void xfs_dir3_leaf_compact_x1(struct xfs_dir3_icleaf_hdr *leafhdr, struct xfs_dir2_leaf_entry *ents, int *indexp, int *lowstalep, int *highstalep, int *lowlogp, int *highlogp); -extern int xfs_dir2_leaf_getdents(struct xfs_inode *dp, void *dirent, - size_t bufsize, xfs_off_t *offset, filldir_t filldir); +extern int xfs_dir2_leaf_getdents(struct xfs_inode *dp, struct dir_context *ctx, + size_t bufsize); extern int xfs_dir3_leaf_get_buf(struct xfs_da_args *args, xfs_dir2_db_t bno, struct xfs_buf **bpp, __uint16_t magic); extern void xfs_dir3_leaf_log_ents(struct xfs_trans *tp, struct xfs_buf *bp, @@ -153,8 +153,7 @@ extern int xfs_dir2_block_to_sf(struct xfs_da_args *args, struct xfs_buf *bp, int size, xfs_dir2_sf_hdr_t *sfhp); extern int xfs_dir2_sf_addname(struct xfs_da_args *args); extern int xfs_dir2_sf_create(struct xfs_da_args *args, xfs_ino_t pino); -extern int xfs_dir2_sf_getdents(struct xfs_inode *dp, void *dirent, - xfs_off_t *offset, filldir_t filldir); +extern int xfs_dir2_sf_getdents(struct xfs_inode *dp, struct dir_context *ctx); extern int xfs_dir2_sf_lookup(struct xfs_da_args *args); extern int xfs_dir2_sf_removename(struct xfs_da_args *args); extern int xfs_dir2_sf_replace(struct xfs_da_args *args); diff --git a/fs/xfs/xfs_dir2_sf.c b/fs/xfs/xfs_dir2_sf.c index 6157424dbf8f..97676a347da1 100644 --- a/fs/xfs/xfs_dir2_sf.c +++ b/fs/xfs/xfs_dir2_sf.c @@ -768,9 +768,7 @@ xfs_dir2_sf_create( int /* error */ xfs_dir2_sf_getdents( xfs_inode_t *dp, /* incore directory inode */ - void *dirent, - xfs_off_t *offset, - filldir_t filldir) + struct dir_context *ctx) { int i; /* shortform entry number */ xfs_mount_t *mp; /* filesystem mount point */ @@ -802,7 +800,7 @@ xfs_dir2_sf_getdents( /* * If the block number in the offset is out of range, we're done. */ - if (xfs_dir2_dataptr_to_db(mp, *offset) > mp->m_dirdatablk) + if (xfs_dir2_dataptr_to_db(mp, ctx->pos) > mp->m_dirdatablk) return 0; /* @@ -819,22 +817,20 @@ xfs_dir2_sf_getdents( /* * Put . entry unless we're starting past it. */ - if (*offset <= dot_offset) { - if (filldir(dirent, ".", 1, dot_offset & 0x7fffffff, dp->i_ino, DT_DIR)) { - *offset = dot_offset & 0x7fffffff; + if (ctx->pos <= dot_offset) { + ctx->pos = dot_offset & 0x7fffffff; + if (!dir_emit(ctx, ".", 1, dp->i_ino, DT_DIR)) return 0; - } } /* * Put .. entry unless we're starting past it. */ - if (*offset <= dotdot_offset) { + if (ctx->pos <= dotdot_offset) { ino = xfs_dir2_sf_get_parent_ino(sfp); - if (filldir(dirent, "..", 2, dotdot_offset & 0x7fffffff, ino, DT_DIR)) { - *offset = dotdot_offset & 0x7fffffff; + ctx->pos = dotdot_offset & 0x7fffffff; + if (!dir_emit(ctx, "..", 2, ino, DT_DIR)) return 0; - } } /* @@ -845,21 +841,20 @@ xfs_dir2_sf_getdents( off = xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk, xfs_dir2_sf_get_offset(sfep)); - if (*offset > off) { + if (ctx->pos > off) { sfep = xfs_dir2_sf_nextentry(sfp, sfep); continue; } ino = xfs_dir2_sfe_get_ino(sfp, sfep); - if (filldir(dirent, (char *)sfep->name, sfep->namelen, - off & 0x7fffffff, ino, DT_UNKNOWN)) { - *offset = off & 0x7fffffff; + ctx->pos = off & 0x7fffffff; + if (!dir_emit(ctx, (char *)sfep->name, sfep->namelen, + ino, DT_UNKNOWN)) return 0; - } sfep = xfs_dir2_sf_nextentry(sfp, sfep); } - *offset = xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk + 1, 0) & + ctx->pos = xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk + 1, 0) & 0x7fffffff; return 0; } diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c index a5f2042aec8b..0ad2b95fca12 100644 --- a/fs/xfs/xfs_file.c +++ b/fs/xfs/xfs_file.c @@ -906,11 +906,10 @@ xfs_file_release( STATIC int xfs_file_readdir( - struct file *filp, - void *dirent, - filldir_t filldir) + struct file *file, + struct dir_context *ctx) { - struct inode *inode = file_inode(filp); + struct inode *inode = file_inode(file); xfs_inode_t *ip = XFS_I(inode); int error; size_t bufsize; @@ -929,8 +928,7 @@ xfs_file_readdir( */ bufsize = (size_t)min_t(loff_t, 32768, ip->i_d.di_size); - error = xfs_readdir(ip, dirent, bufsize, - (xfs_off_t *)&filp->f_pos, filldir); + error = xfs_readdir(ip, ctx, bufsize); if (error) return -error; return 0; @@ -1432,7 +1430,7 @@ const struct file_operations xfs_file_operations = { const struct file_operations xfs_dir_file_operations = { .open = xfs_dir_open, .read = generic_read_dir, - .readdir = xfs_file_readdir, + .iterate = xfs_file_readdir, .llseek = generic_file_llseek, .unlocked_ioctl = xfs_file_ioctl, #ifdef CONFIG_COMPAT diff --git a/fs/xfs/xfs_vnodeops.h b/fs/xfs/xfs_vnodeops.h index 5163022d9808..38c67c34d73f 100644 --- a/fs/xfs/xfs_vnodeops.h +++ b/fs/xfs/xfs_vnodeops.h @@ -31,8 +31,7 @@ int xfs_remove(struct xfs_inode *dp, struct xfs_name *name, struct xfs_inode *ip); int xfs_link(struct xfs_inode *tdp, struct xfs_inode *sip, struct xfs_name *target_name); -int xfs_readdir(struct xfs_inode *dp, void *dirent, size_t bufsize, - xfs_off_t *offset, filldir_t filldir); +int xfs_readdir(struct xfs_inode *dp, struct dir_context *ctx, size_t bufsize); int xfs_symlink(struct xfs_inode *dp, struct xfs_name *link_name, const char *target_path, umode_t mode, struct xfs_inode **ipp); int xfs_set_dmattrs(struct xfs_inode *ip, u_int evmask, u_int16_t state); |